Hack a Day » digital audio hacks Rotary phone-light-amp could be filed under bizarre
[Samimy's] latest project is a little strange, but one man’s weird is another man’s wonderful so we’re not about to start criticizing his work. Nope, we’re here to praise the fact that his rotary phone turned reading light and audio amp is very well constructed. He started by removing the phone housing. Those old enough [...]
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NES controller cannibalized for MP3 player enclosure
We know some folks are very upset by the scrapping on vintage hardware, so let’s all observe a moment of silence for this NES controller. Now that that’s behind us we can live vicariously through [Burger King Diamond's] project. He polished up the NES controller and repurposed it as an enclosure for a portable MP3 [...]
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Adding sound to Children?s Museum exhibits
Believe it or not, the local Children’s Museum staff was happy that [Bill Porter] left this mess of wires and equipment in one of their offices. It makes up an ambient sound system for a couple of their exhibits. A movie without sound just doesn’t fully entertain, and the same can be said for these [...]
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$3 adds sweet tunes to your project
It’s a fun time to design your own MP3 player, lovingly adding in features to a meticulously crafted user interface. But sometimes you just want a quick and cheap way to add music to a project. [Jeff Ledger] will show you how to do just that using some knock-off hardware from overseas. Instead of a [...]
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Microcontroller based audio volume level compressor
In an effort listen to his music on shuffle without the need to touch the volume knob [Mike] build his own automatic volume leveling hardware. He knows what you’re thinking right now: there’s software to do that for you. But building the feature in hardware is a great stepping off point for a project. He [...]
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Snap together boombox great for taking your music on the go
[Matt Keeter] wanted to take his music on the go, and wrote in to share a great looking boombox he built for under $100. His goal was to put something together that could be made in pretty much any hackerspace/fab lab, so his boombox was made using simple materials. He first modeled the boombox using [...]
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The most evil gift ever
[form], a new user on the Hack a Day forums, was thinking, “what Christmas present i can send a friend, that would be really annoying?” We think he really hit it out of the park with this one. It’s a modified computer speaker that will play “explicit” audio until the power button is pressed 200 [...]
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Improving terrible computer speakers
[Victor] likes to watch movies on his laptop, but the tiny speakers in his machine don’t do [John Williams] and other perfectly fine soundtracks justice. To pump up the jams a little bit, [Victor] got a pair of Trust Mila 2.0 speakers for Sinterklaas. Unfortunately, these speakers were terrible – noise everywhere, tinny output and [...]
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Muff-Fones sound dirty; well, not literally
Baby, it’s cold outside. But that doesn’t stop [Grissini] from listening to some tunes when not indoors. He added headphones to a pair of ear warmers. We guess you could call them ear muffs, which is where the name comes from. But these are the newer type that wrap around the back of your head. [...]
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Musical greeting card with minimal parts
We’re all familiar with those musical greeting cards. Give the Hallmark store $10, and you have a card with a microcontroller inside that plays one of several songs available. [Jarv] was playing around with translating MIDI tracks to square wave songs with an Arduino earlier, so he decided to see how cheaply he could reproduce [...]
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A DIY audio player for when all that matters is the music
[Grissini] hasn?t had the best of luck when it comes to personal audio players. He estimates that he?s gone through about half a dozen iProducts/iKnockoffs over the years, which ultimately adds up to a lot of money poured right down the drain. Rather than lay down his cold hard cash for yet another music player [...]
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Stylophone 5 ? modernizing the best of the 1968 hardware
We love looking in on [Simon Inns'] projects, and this must be one of his very best. This is the fifth version of his MIDI-capable stylophone. The gist of the control system is that a conductive keyboard (made of a tinned PCB) is played by making a connection with the tip of a wired stylus [...]
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Audio output selection courtesy of the Internet
[Peter] was tired of crawling behind his desktop computer to switch between headphones and speakers. We feel his pain, as the headphone port on our computer speakers has its own demonic hum rendering the jack useless to us. His solution was to build this output selector board, then control it via the network. A relay [...]
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iPad 2 gets a home in hacked iDJ Live console
[DJ FileSpnR] did a number on this IDJ Live hardware to make room for an integrated iPad. Those that have seen the hardware before may not even recognize it. In stock condition the controller has two turn-table actuators with cross-fader control in between them. The iPad perches on top like a book, making it a [...]
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Single-column Rubens? tube
Here’s a fiery project which [Patrick] calls his Pyro Jam Can. It’s the simplest Rubens’ Tube build that we can think of. For the uninformed, a Rubens’ tube uses flammable gas to reveal wave forms passing through the supply vessel. In the past we’ve seen projects with multiple columns, which very clearly show a standing [...]
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